Ancient philosophers used the term in different ways.
However, philosophers have used the terms in very different ways.
There is not just one method that philosophers use to answer philosophical questions.
However, most philosophers use intentionality to mean something with no teleological import.
"They're words that philosophers of science love to use."
As such, the philosopher uses writing "for the sake of amusing himself" and other similar things rather than for teaching others.
Other modern philosophers have generally used less specific definitions.
Some philosophers of science also use contemporary results in science to reach conclusions about philosophy.
And the philosophers use it still, I understand.
Several philosophers have used it to illustrate issues regarding thought.